Trolleybuses were first introduced in Portugal by SMC in Coimbra in February 1947 and used Saurer, Sunbeam and BUT single-deckers that were all in service by 1954. Further deliveries from the UK consisted of ten BUTs and six Sunbeams. The fleet was largely rebodied, but in 1984 another twenty Efacec-Caetano thirty-seven seater trolleybuses began to be delivered. The second Portuguese trolleybus operator was SMB in Braga, which opened in May 1964,...